fix: resync clears last_sync_ts; add live doc counts to dashboard

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/ui/routes.py

@@ -40,6 +40,51 @@ def _lag_str(ts: datetime | None) -> str:
     return f"{seconds // 86400}d ago"
 
 
+@router.get("/ui/doc-counts", response_class=HTMLResponse)
+async def doc_counts_fragment(request: Request, session: Session = Depends(get_session)):
+    from .. import envfile
+    from ..api.status import _fetch_count, doc_counts as _doc_counts
+    from ..config import get_config
+    from ..crypto import decrypt
+    from ..models import Setting
+    from ..scheduler import SETTINGS_DEFAULTS
+    import asyncio
+
+    config = get_config()
+    rows = session.exec(select(Setting)).all()
+    settings = dict(SETTINGS_DEFAULTS)
+    for row in rows:
+        if row.value is not None:
+            settings[row.key] = row.value
+
+    master_url = settings.get("master_url", "")
+    master_token_enc = settings.get("master_token", "")
+    master_token = decrypt(master_token_enc, config.secret_key) if master_token_enc else ""
+
+    replicas = session.exec(select(Replica)).all()
+
+    tasks = []
+    if master_url and master_token:
+        tasks.append(("Master", master_url, master_token))
+    for r in replicas:
+        token = decrypt(r.api_token, config.secret_key)
+        tasks.append((r.name, r.url, token))
+
+    counts_raw = await asyncio.gather(*[_fetch_count(url, tok) for _, url, tok in tasks])
+
+    parts = []
+    for (label, _, _), count in zip(tasks, counts_raw):
+        val = str(count) if count is not None else "?"
+        parts.append(f"<span><strong>{label}:</strong> {val} docs</span>")
+
+    html = (
+        '<div style="display:flex; gap:1.5rem; flex-wrap:wrap; margin-bottom:1rem; font-size:0.95em;">'
+        + " &nbsp;·&nbsp; ".join(parts)
+        + "</div>"
+    ) if parts else ""
+    return HTMLResponse(html)
+
+
 @router.get("/", response_class=HTMLResponse)
 def dashboard(request: Request, session: Session = Depends(get_session)):
     replicas = session.exec(select(Replica)).all()